Given
distance (x) = 150 m
time (t) = 18 s
Procedure
The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time.
[tex]\begin{gathered} v=\frac{x}{t} \\ v=\frac{150\text{ m}}{18\text{ s}} \\ v=8.333\text{ m/s} \end{gathered}[/tex]